<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action=""./login" method="post">
    <fieldset>
        <!-- 表单不同内容的收集 -->
<legend>login</legend>
<div>
    <label for="username" >用户名</label>
    <input type="请输入用户名" id="username" type="text" name="name"/>
</div>
    </fieldset>
    <fieldset>
        <label for ="card">卡号</label>
        <input type="text" id="card" name="card" required>
        <legend>银行卡信息</legend>
    </fieldset>
    <div>
        <input type="submit" value="提交"/>
    </div>
</form>
</body>
</html>